We visited the Tower Bridge and walked across the spectacular glass floor across the high-level Walkways. A stunning and slightly unnerving view of London life, from 42 metres above the River Thames! 94 more words
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As you stand on a glass floor looking down, you become more aware of the reality of gravity if only for a moment. The realisation that all that stands between you and a fast plummet down is the floor is brought into sharp focus by a piece of glass that lets you see what lies beneath.